牌号解释
H:冷成形用高强度扁平材，flat products of high strength for cold forming
C:冷轧，cold rolled
250:规定的小屈服强度，MPa
450:规定的小抗拉强度，MPa
DP:双相钢，dual phase steels
D:热镀代号，for hot dip coating
Z:纯锌镀层，zinc coating
四成分(Wt%)
C碳元素:
牌号解释
H:冷成形用高强度扁平材，flat products of high strength for cold forming
C:冷轧，cold rolled
250:规定的小屈服强度，MPa
450:规定的小抗拉强度，MPa
DP:双相钢，dual phase steels
D:热镀代号，for hot dip coating
Z:纯锌镀层，zinc coating
四成分(Wt%)
C碳元素: